code: def get_lr(self, epoch: int, curr_iter: int):
      raise NotImplementedError
  
file_path: ml-cvnets/optim/scheduler/base_scheduler.py
imports: import argparse
  from utils import logger
label_desc: Use image node_id 3 for calling the BaseLRScheduler obj's underlying member method code with example usage: obj.get_lr(epoch, curr_iter) without return types